<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2018/5/19
 * Time: 10:09
 */
$content = date("Y-m-d H:i:s"). PHP_EOL;
swoole_async_writefile(__DIR__ . '/1.log', $content, function($filename){
    echo "write ok" . PHP_EOL;
}, FILE_APPEND);

echo 'start' . PHP_EOL;